---
title: approximateDurationInSeconds
framework: avfaudio
role: symbol
role_heading: Type Property
path: avfaudio/avaudiosequencer/infodictionarykey/approximatedurationinseconds
---

# approximateDurationInSeconds

A key that represents the approximate duration.

## Declaration

```swift
static let approximateDurationInSeconds: AVAudioSequencer.InfoDictionaryKey
```

## See Also

### Getting the Duration and Time

- [timeSignature](avfaudio/avaudiosequencer/infodictionarykey/timesignature.md)
- [tempo](avfaudio/avaudiosequencer/infodictionarykey/tempo.md)